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A bug check 0x19 error occurs in Tcpip.sys and your computer stops unexpectedly on Windows Server 2003


View products that this article applies to.

Symptoms

One of the following bug check errors occur in Tcpip.sys, and your Windows Server 2003-based computer stops unexpectedly:
  • 0x19
  • 0xC2
  • 0xC5

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Cause

This problem occurs because the TCP/IP stack tries to free a buffer that it did not allocate. When the TCP/IP stack tries to free a buffer that it did not allocate, the pool header becomes corrupted and the computer stops unexpectedly. This bug check error may occur if you use Internet Protocol security (IPSec) on your computer network.

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Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Windows Server 2003, 64-bit versions
   Date         Time   Version       Size     File name
   ----------------------------------------------------
   18-Aug-2004  21:05  5.2.3790.199  972,288  Tcpip.sys
Windows Server 2003, 32-bit versions
   Date         Time   Version       Size     File name
   ----------------------------------------------------
   18-Aug-2004  21:08  5.2.3790.199  334,336  Tcpip.sys

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More information

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

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Keywords: KB873353, kbwinserv2003presp1fix, kbfix, kbbug, kbhotfixserver, kbqfe, kbautohotfix

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Article Info
Article ID : 873353
Revision : 13
Created on : 7/24/2007
Published on : 7/24/2007
Exists online : False
Views : 345